|
gptkbp:instanceOf
|
turbo-shaft engine
|
|
gptkbp:application
|
helicopters
|
|
gptkbp:built
|
1960s
|
|
gptkbp:climate
|
up to 900 °C
|
|
gptkbp:compressionRatio
|
16:1
|
|
gptkbp:controls
|
gptkb:full_authority_digital_engine_control_(FADEC)
|
|
gptkbp:coolingSystem
|
air-cooled
bleed air
|
|
gptkbp:diameter
|
0.3 m
|
|
gptkbp:drivetrain
|
reduction gearbox
|
|
gptkbp:emissionsStandard
|
ICAO_Chapter_4
|
|
gptkbp:engine
|
flexible mount
250-C20B
|
|
gptkbp:engineConfiguration
|
single-shaft
|
|
gptkbp:engineType
|
2
two-stage turbine
turbo-shaft
starter motor
|
|
gptkbp:exhaustSystem
|
free turbine
|
|
gptkbp:firstFlight
|
1960
|
|
gptkbp:fuel_capacity
|
0.5 kg/shp/hr
|
|
gptkbp:fuelType
|
gptkb:Jet_A-1
spark ignition
annular combustor
dual fuel system
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Rolls-Royce 250-C20B
|
|
gptkbp:length
|
1.1 m
|
|
gptkbp:maintenance
|
500 hours
|
|
gptkbp:manufacturer
|
gptkb:Rolls-Royce
|
|
gptkbp:market
|
30% in helicopter market
|
|
gptkbp:maximum_speed
|
42000
|
|
gptkbp:noise_level
|
75 dB
|
|
gptkbp:notableUsers
|
gptkb:McDonnell_Douglas
gptkb:Bell_Helicopter
AgustaWestland
Eurocopter
|
|
gptkbp:operationalRange
|
500 km
|
|
gptkbp:performances
|
3000 hours
|
|
gptkbp:powerOutput
|
420 shp
|
|
gptkbp:powers
|
0.75 kW/kg
|
|
gptkbp:produces
|
over 6000 units
|
|
gptkbp:productionYears
|
1960-2000
|
|
gptkbp:propulsion
|
3.5
|
|
gptkbp:related_engine
|
gptkb:Rolls-Royce_250
|
|
gptkbp:service_ceiling
|
3000 m
|
|
gptkbp:successor
|
gptkb:Rolls-Royce_M250
|
|
gptkbp:weight
|
120 kg
|